The evolution of the sex chromosomes

Asana, J. J. &Makino, S. (1934). The chromosomes ofPoecilocera picta Fabr. (a short-horned grasshopper).J. Univ. Bombay,2, 50–2.

Asana, J. J., Makino, S. &Niiyama, H. (1938). A chromosomal survey of some Indian insects. I. Morphology of the chromosomes in eight species of the Locustidae.J. Fac. Sci. Hokkaido Univ. Ser.VI,3, 211–34.

—— —— —— (1939). A chromosomal survey of some Indian insects. II. A comparative study of the chromosomes in six species of Acrididae.Jap. J. Genet. 15, 251–60.

Carothers, E. (1921). Genetical behaviour of heteromorphic homologous chromosomes ofCircotettix (Orthoptera).J. Morph. 35, 457–83.

Chen, Ch. T. (1937). Chromosome studies onHaplotropis brunneriana Saussure.Peking nat. Hist. Bull. 12, 79–94.

Crew, F. A. E. &Lamy, R. (1935). Linkage groups inDrosophila pseudoobscura.J. Genet. 30, 15–29.

Darlington, C. D. &Dark, S. O. S. (1932). The origin and behaviour of chiasmata. II.Stenobothrus parallelus. Cytologia, Tokyo,3, 169–85.

Donald, H. P. (1936). On the genetical constitution ofDrosophila pseudoobscura, Race A.J. Genet. 33, 103–22.

Favrelle, M. (1936). Contribution à l’étude de la garniture chromosomique des Orthoptères (Gryllidae et Tettigonidae).Mém. Mus. Hist. nat. Belg. (2nd series),3, 53–60.

Granata, L. (1910). Le cinesi spermatogenetiche diPamphagus marmoratus (Burm.).Arch. Zellforsch. 5, 182–214.

Helwig, E. R. (1929). Chromosomal variations correlated with geographical distribution inCircotettix verruculatus (Orthoptera).J. Morph. 47, 1–36.

King, R. L. (1923). Heteromorphic homologous chromosomes in three species ofPseudotrimerotropis (Orthoptera: Acrididae).J. Morph. 38, 19–63.

—— (1924). Material for demonstration of accessory chromosomes.Science,60, 362–3.

King, R. L. &Beams, H. W. (1938). The multiple chromosomes ofParatylotropidia brunneri Scudder (Orthoptera: Acrididae).J. Morph. 63, 289–99.

Li, Ju Ch’I. (1931). Spermatogenesis and chromosomes ofCallimenus onos Pallas.Peking nat. Hist. Bull. 5 (Part 2), 1–14.

McClung, C. E. (1914). A comparative study of the chromosomes in Orthopteran spermatogenesis.J. Morph. 25, 651–749.

—— (1917). The multiple chromosomes ofHesperotettix andMermiria.J. Morph. 29, 519–605.

McClung, C. E. &Asana, J. J. (1933). The chromosomes ofSchizodactylus monstrosus.J. Morph. 55, 185–91.

McKnight, R. H. (1939). The sex-determining mechanism ofDrosophila miranda.Genetics,24, 180–201.

Makino, S. (1932). An unequal pair of idiochromosomes in the tree-cricket,Oecanthus longicauda Mats.J. Fac. Sci. Hokkaido Univ. Ser.VI,2, 1–35.

Matthey, R. (1939). La formule chromosomiale de la sauterelle parthénogénétiqueSaga serrata Fabr. et de l’Ephippigera vitium Serv.C.R. Soc. Biol., Paris,132, 369–70.

Muller, H. J. (1940). Bearings of theDrosophila work on systematics (article inThe New Systematics: Oxford Univ. Press).

Pearson, N. E. (1929). The structure and chromosomes of three gynandromorphic katydids.J. Morph. 47, 531–47.

Rao, T. R. (1937). A comparative study of the chromosomes of eight genera of Indian Pyrgomorphinae (Acrididae).J. Morph. 61, 223–55.

Steopoe, I. (1939). Nouvelles recherches sur la spermatogénèse chezGryllotalpa vulgaris de Roumanie.Arch. Zool. exp. gén. 80, 445–64.

White, M. J. D. (1940a). The origin and evolution of multiple sex-chromosome mechanisms.J. Genet. 40, 303–36.

—— (1940b). The heteropyenosis of sex chromosomes and its interpretation in terms of spiral structure.J. Genet. 40, 67–82.

—— (1941). The evolution of the sex chromosomes. I. TheXO andX 1 X 2 Y mechanisms in Praying Mantids.J. Genet. 42, 143–172.

Winiwarter, H. de (1927). Étude du cycle chromosomique chez diverses races deGryllotalpa gryll L.Arch. Biol. 37, 515–72.

—— (1931). Evolution de l’hétérochromosome chezTettigonia (Decticus)albifrons (Fab.).Arch. Biol. 42, 201–28.

Woolsey, C. I. (1915). Linkage of chromosomes correlated with reduction in numbers among the species of a genus, also within a species of the Locustidae.Biol. Bull. Wood’s Hole,28, 163–87.